Home / 10,358.69-15,540.32-3,784.86

Finding the Fourth Proportional to 10,358.69, 15,540.32 and 3,784.86

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Solution

The fourth proportional to 10,358.69, 15,540.32 and 3,784.86 is: 5,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.69 : 15,540.32 = 3,784.86 : x
  2. Step 2: Convert to fraction form
    10,358.69/15,540.32 = 3,784.86/x
  3. Step 3: Cross multiply
    10,358.69x = 15,540.32 × 3,784.86
  4. Step 4: Simplify right side
    10,358.69x = 58,817,916.63
  5. Step 5: Solve for x
    x = 58,817,916.63/10,358.69
  6. Step 6: Final answer
    x = 5,678.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.